The Model Context Protocol (MCP) has been updated, bringing key upgrades to enhance security, capabilities, and interoperability.Microsoft announced support for MCP and launched Playwright-MCP server, enabling AI agents to browse and interact with websites.The updated version of MCP introduces important protocol-level changes, using a modular JSON-RPC 2.0 base.MCP is gaining momentum as a standard layer for agent interconnectivity, with support from Anthropic, LangChain, and Microsoft.